Respiratory Response to Exercise Quiz

Which muscles contract during inspiration?

• External Intercostal Muscles

• Internal Intercostal Muscles

• Rectus Abdominis

• Sternocleidomastoid

What happens to the diaphragm during expiration?

• Contracts / Flattens

• Relaxes / Domes

• Contracts

• Relax

What is the purpose of the additional muscle Sternocleidomastoid during inspiration?

• To relax the external intercostal muscles

• To contract the internal intercostal muscles

• To move the ribs down and in

• To help lift the ribs up and out

What is the function of the external intercostal muscles during expiration?

• To relax

• To contract

• To move the ribs up and out

• To move the ribs down and in

What happens to the thoracic cavity and lungs during inspiration?

• They increase in size

• They decrease in size

• They remain the same size

• They move upwards into a dome shape

What is the purpose of the additional muscle Rectus Abdominis during expiration?

• To relax the external intercostal muscles

• To contract the internal intercostal muscles

• To move the ribs down and in

• To help force air out of the lungs

What is the volume of air passing through the lungs each minute called?

• Total Lung Capacity

• Vital Capacity

• Residual Volume

• Minute Volume

What is the amount of air ventilated in or out of the lungs in one breath called?

• Total Lung Capacity

• Vital Capacity

• Residual Volume

• Tidal Volume

What happens to the tidal volume during exercise?

• It decreases

• It remains the same

• It reaches its peak

• It increases dramatically

What is the purpose of the additional muscle Internal Intercostal Muscles during forced expiration?

• To relax the external intercostal muscles

• To contract the internal intercostal muscles

• To move the ribs down and in

• To help force air out of the lungs